1,3,2-Dioxaborolane, 2,2'-(9,9-dimethyl-9h-fluorene-2,7-diyl)bis[4,4,5,5-tetramethyl]

Base Information

• Chemical Name: 1,3,2-Dioxaborolane, 2,2'-(9,9-dimethyl-9h-fluorene-2,7-diyl)bis[4,4,5,5-tetramethyl]
• CAS No.: 325129-69-9
• Molecular Formula: C27H36B2O4
• Molecular Weight: 446.202
• Hs Code.: 2931900090
• Mol file: 325129-69-9.mol

Synonyms:2-[9,9-Dimethyl-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)fluoren-2-yl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane;2,2'-(9,9-Dimethyl-9H-fluorene-2,7-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane);

Chemical Property of 1,3,2-Dioxaborolane, 2,2'-(9,9-dimethyl-9h-fluorene-2,7-diyl)bis[4,4,5,5-tetramethyl]

Chemical Property:

• Boiling Point: 559.418 °C at 760 mmHg
• Flash Point: 292.126 °C
• PSA: 36.92000
• Density: 1.099 g/cm³
• LogP: 4.59130
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C

Purity/Quality:

98% ^*data from raw suppliers

9,9-DiMethylfluorene-2,7-diboronic acid bis ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 1,3,2-Dioxaborolane, 2,2''-(9,9-dimethyl-9h-fluorene-2,7-diyl)bis[4,4,5,5-tetramethyl]

Technology Process of 1,3,2-Dioxaborolane, 2,2'-(9,9-dimethyl-9h-fluorene-2,7-diyl)bis[4,4,5,5-tetramethyl]

There total 1 articles about 1,3,2-Dioxaborolane, 2,2'-(9,9-dimethyl-9h-fluorene-2,7-diyl)bis[4,4,5,5-tetramethyl] which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

9,9-dimethyl-9H-fluorene (4569-45-3) + bis(pinacol)diborane (73183-34-3) → C27H36B2O4 + C27H36B2O4 + 4,4,5,5-tetramethyl-2-[7-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-9,9-dimethyl-9H-fluoren-2-yl]-[1,3,2]dioxaborolane (325129-69-9)

Guidance literature:

With (1,5-cyclooctadiene)(methoxy)iridium(I) dimer; 4,4'-di-tert-butyl-2,2'-bipyridine; In tetrahydrofuran; at 85 ℃; for 20h; Glovebox; Inert atmosphere; Sealed tube;

DOI:10.1016/j.chempr.2020.02.004

Reference yield: 92.0%

methyl 4-iodobenzoate (619-44-3) + 4,4,5,5-tetramethyl-2-[7-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-9,9-dimethyl-9H-fluoren-2-yl]-[1,3,2]dioxaborolane (325129-69-9) → dimethyl-4,4′-(9,9-dimethyl-9H-fluorene-2,7-diyl)dibenzoate

Guidance literature:

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium carbonate; triphenylphosphine; In tetrahydrofuran; methanol; at 80 ℃; for 72h; Inert atmosphere;

DOI:10.1016/j.jssc.2015.08.003

Reference yield: 87.0%

2-bromo-3’,4,4’,5-tetrakis(decyloxy)-1,1’-biphenyl + 4,4,5,5-tetramethyl-2-[7-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-9,9-dimethyl-9H-fluoren-2-yl]-[1,3,2]dioxaborolane (325129-69-9) → 9,9-dimethyl-2,7-bis(3’,4,4’,5-tetra(decyloxy)-[1,1’-biphenyl]-2-yl)-9H-fluorene

Guidance literature:

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium carbonate; In tetrahydrofuran; water; at 70 ℃; for 36h; Inert atmosphere;

DOI:10.1002/ejoc.202100108

upstream raw materials:

9,9-dimethyl-9H-fluorene

bis(pinacol)diborane

Refernces